Patent Agent
Carl P Hemenway
Reg. No. 51798
Active
Not accepting new clients
Firm
Rohm and Haas Company
Rohm and Haas Company
Location
Collegeville, PA 19426
Collegeville, PA 19426
Phone
610-244-7109
610-244-7109
Registration Type
AGENT
AGENT
Roster
USPTO OED FY25
USPTO OED FY25
Firm and contact info reflects the FY25 roster (last updated September 25).
Attorneys may have changed firms since then — patent filings show their current firm of record.